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6-Chloro-2,4-Dimethoxypyrimidine

    • Product Name 6-Chloro-2,4-Dimethoxypyrimidine
    • Alias 6-Chloro-2,4-dimethoxypyrimidine
    • Einecs 618-043-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    738221

    Product Name 6-Chloro-2,4-Dimethoxypyrimidine
    Cas Number 6956-11-6
    Molecular Formula C6H7ClN2O2
    Molecular Weight 174.59
    Appearance White to off-white crystalline powder
    Melting Point 60-64°C
    Solubility Soluble in organic solvents, slightly soluble in water
    Purity Typically ≥98%
    Storage Conditions Store in a cool, dry place, tightly closed
    Smiles COC1=NC(=NC(=C1)Cl)OC
    Inchi InChI=1S/C6H7ClN2O2/c1-10-4-3-8-6(11-2)5(7)9-4/h3H,1-2H3

    As an accredited 6-Chloro-2,4-Dimethoxypyrimidine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 6-Chloro-2,4-Dimethoxypyrimidine (25g) comes in a sealed amber glass bottle with a tamper-evident cap and clear labeling.
    Shipping 6-Chloro-2,4-Dimethoxypyrimidine is shipped in secure, tightly sealed containers to prevent contamination and moisture exposure. It is typically transported under ambient conditions unless otherwise specified. Ensure compliance with all relevant chemical transport regulations, including labeling and documentation. Handle with appropriate safety precautions during transit to avoid leaks, spills, or accidental exposure.
    Storage 6-Chloro-2,4-Dimethoxypyrimidine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and sources of ignition. Keep it away from incompatible materials such as strong oxidizing agents. Store at room temperature and ensure appropriate labeling and access controls to prevent unauthorized handling.
    Application of 6-Chloro-2,4-Dimethoxypyrimidine

    Applications of 6-Chloro-2,4-Dimethoxypyrimidine in Industrial Manufacturing

    6-Chloro-2,4-Dimethoxypyrimidine is a critical intermediate in several specialized industrial sectors. As a manufacturer, we supply this raw material for integration in advanced chemical synthesis, addressing the precise needs in pharmaceuticals, crop protection, dyes, and specialty chemical production. Below, we detail the key application segments, with relevant compliance, ratio, process, and end product information specific to each.

    1. Pharmaceutical Active Pharmaceutical Ingredient (API) Synthesis

    This compound serves as a core building block for the synthesis of select pyrimidine-based drug substances, including various anti-viral and anti-tumor agents. Pharmaceutical manufacturers rely on its chemical structure to construct potent molecules within multi-step synthesis routes, controlling purity and traceability from intermediate to API. Production environments tightly monitor input ratios and process purity to comply with stringent regulatory mandates across regulated markets.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • 21 CFR Parts 210/211 (USFDA for finished pharmaceuticals)
    • European Pharmacopoeia requirements for starting materials
    • ChP (Chinese Pharmacopoeia) for pharmaceutical intermediates registration

    Typical usage ratio

    • 10–35 mol% relative to the final pharmaceutical intermediate; the exact ratio is determined by the targeted API synthesis pathway and yield optimization through process trials

    Downstream process integration

    • Input as an early-stage intermediate in the nucleophilic substitution or ring closure reactions, often under controlled temperature and solvent environments in GMP-compliant API manufacturing suites

    Final product types

    • Pyrimidine-based anti-cancer drugs, such as kinase inhibitors
    • Antiviral nucleoside analogs
    • Enzyme inhibitor compounds in research and clinical development
    • Pharmaceutical research reference standards

    2. Agrochemical Synthesis for Herbicidal Actives

    Several major agrochemical manufacturers use this compound to synthesize active ingredients in modern selective herbicides. It acts as a strategic intermediate enabling the extension of pyrimidine scaffolds, which are key to herbicide selectivity and environmental stability. Compliance during scale-up runs follows established protocols for agricultural chemical active production, with close attention to impurity profiles and consistent batch reproducibility.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 quality management for agro intermediates
    • GB 2763 national standards (China) for pesticide residues
    • REACH registration for environmental and toxicological dossier submission

    Typical usage ratio

    • 5–25% w/w depending on target molecule complexity and conversion efficiency in the specific active synthesis route

    Downstream process integration

    • Introduction during core ring formation or as a halogen donor in late-stage coupling, followed by formulation with co-formulants in technical grade herbicide production lines

    Final product types

    • Selective pre-emergence and post-emergence herbicides
    • Pyrimidine-triazine crop protection actives
    • Seed treatment ingredients
    • Technical concentrate agrochemical bulk products

    3. Dye Intermediate Manufacturing

    Industrial dye producers use 6-Chloro-2,4-Dimethoxypyrimidine for making pyrimidine-structured dye intermediates. Its chemical reactivity supports the design of high-performance dyes featuring excellent fastness and stability, required by demanding textile and pigment applications. Regulatory requirements drive careful management of intermediate handling, effluent, and waste during synthesis and downstream processing.

    Industry compliance standards

    • OEKO-TEX Standard 100 (for restricted substances in textiles)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals)
    • ISO 14001:2015 for environmental management during dye production
    • ECHA SVHC list for tracking of hazardous raw materials

    Typical usage ratio

    • 12–30% in dye intermediate synthesis, depending on molecular design and targeted shade intensity

    Downstream process integration

    • Engaged during nucleophilic substitution or condensation steps to yield dye couplers, followed by purification and blending in dye mills

    Final product types

    • Reactive dyes for cotton and cellulose fibers
    • Disperse dyes for polyester
    • High lightfastness textile dyes
    • Pigment intermediates for coatings and plastics

    4. Custom Synthesis for Fine and Specialty Chemicals

    Specialty chemical manufacturers utilize this compound as a precursor in the synthesis of advanced pyrimidine derivatives for custom molecular design, including fine chemical building blocks and electronic material additives. These projects demand strict batch documentation, material traceability, and process flexibility, with compliance to customer-specific and international quality requirements.

    Industry compliance standards

    • ISO 9001:2015 for traceable specialty chemicals
    • Customer-driven TDS/SDS documentation per project
    • Compliant with TSCA (US), REACH (EU) for supply legality
    • Custom agreements for non-listed compounds

    Typical usage ratio

    • 5–40% in reaction feed, adjusted per synthetic pathway, molecular target, and required lot size

    Downstream process integration

    • Charged as a primary reagent or intermediate for heterocycle functionalization in pilot or kilo-lab settings

    Final product types

    • Photoinitiator molecules for UV-cured inks
    • Electronic chemical intermediates for OLED/LCD
    • Chemical building blocks for R&D
    • Custom-designed molecular probes
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    Certification & Compliance
    More Introduction

    Introducing 6-Chloro-2,4-Dimethoxypyrimidine: In-Depth Insights from the Manufacturer’s Bench

    Understanding 6-Chloro-2,4-Dimethoxypyrimidine

    In the chemical manufacturing field, each compound brings its own set of challenges and opportunities. 6-Chloro-2,4-Dimethoxypyrimidine stands out in the pyrimidine derivative category, both due to its unique structure and its key role in downstream chemical synthesis. Our shop floor, blending labs, and QC rooms know this molecule inside and out—from synthesis to the precise checks that guarantee its purity.

    We produce this compound to high standards, favoring the route that minimizes byproducts and keeps hazardous wastes in check. This approach, born from constant refinement, sets our 6-Chloro-2,4-Dimethoxypyrimidine apart from versions with inconsistent specifications. Molecular purity (typically at or above 99%) carries real consequences for customers, and we monitor this carefully at each production stage. The distinctive pattern of methoxy groups at positions 2 and 4, plus the chlorine at position 6 on the pyrimidine ring, makes this molecule useful for chemists searching for upstream intermediates that are both reliable in reaction and consistent in handling.

    Why Structural Details Matter in Synthesis

    Our production team constantly hears from process chemists and researchers who have struggled with the subtle differences between 6-Chloro-2,4-Dimethoxypyrimidine and related pyrimidine intermediates. Substitution patterns change everything in organic synthesis. With methoxy groups in place, this molecule shows favorable behavior toward nucleophilic attack during further modifications, such as amination or coupling reactions. The presence of a chlorine atom instead of a bulkier or less-active group saves time and cost. Missteps in substitution mean failed reactions, wasted starting materials, and operational headaches. We've fine-tuned our processes to control for these, only releasing product batches that offer consistent reactivity and minimize process deviations at our customer’s facility.

    Our Experience with Specifications and Consistency

    Years of producing this compound have shown us one thing: minor lapses in trace impurity control snowball into big problems down the line. Some alternative sources for this molecule flood the market with lots that fall just shy of the expected specification. We have real-time monitoring both in our main reactors and isolation tanks, with routine checks using HPLC and NMR, not just before dispatch, but at critical stages during synthesis. That means each drum leaving our dock matches our established specification for melting point, color, and chemical profile. By tightening up every control point, we avoid complaints about reduced yield or unexplained side reactions in customers’ processes.

    Real-World Applications That Shape Our Approach

    Customers use 6-Chloro-2,4-Dimethoxypyrimidine mainly for the creation of fungicides, pharmaceuticals, and advanced intermediates destined for APIs. The engineering team often adapts production methods in response to shifting downstream requirements. For instance, development for the latest crop-protection agents or new heterocyclic building blocks sometimes calls for higher batch sizes, sharper impurity spikes, or tweaks in pH stability. We have responded to these shifts by adjusting our purification and drying steps, reducing unwanted byproducts and helping downstream synthesis teams avoid Purification bottlenecks.

    Over the past decade, we’ve tracked demand growth from the production of advanced agrochemicals. Regulatory approval for these substances can rise or fall on three- and four-decimal impurity differences, so a consistent, high-purity product isn’t luxury, it’s necessity. Customers working on scale-up batches or clinical-phase pharmaceuticals also benefit from our approach. When supply falters or a new impurity creeps into the process, we’re ready to adapt our method or produce more detailed analytical breakdowns so customers don’t face delays.

    Differences Compared to Other Pyrimidine Intermediates

    Part of our daily work involves explaining the key differences between 6-Chloro-2,4-Dimethoxypyrimidine and its close relatives. Many newcomers confuse this molecule with simpler dimethoxypyrimidine compounds or overestimate the reactivity of alternatives with different halogen substitutions. The placement of the chlorine atom in position 6, combined with two methoxy groups, imbues this compound with a good balance of stability and reactivity. That combination gives a cleaner path during nucleophilic aromatic substitution reactions and improves downstream yields, compared to more crowded or less reactive analogs.

    Dustiness in batches, solubility shifts, and out-of-spec melting points have all caused problems in other supplier samples that we’ve tested alongside our own. Deviations like this disrupt automation and instrument calibration during larger-scale runs. We’ve taken feedback from labs struggling with filtration or waste disposal and tuned our process to create a powder with consistent flow properties that remains easy to handle in feeding and blending systems. Each lot is tested against at least three main standards, and we feed back any lessons into our equipment upgrades and staff training sessions.

    Quality Control: Lessons Learned and Practices Refined

    Modern manufacturing walks a tightrope between throughput and oversight. The chemistry behind 6-Chloro-2,4-Dimethoxypyrimidine isn’t forgiving if water traces, byproduct esters, or partially hydrolyzed materials creep in. Over time, we built our controls around the most troublesome process steps, such as precise temperature management during methylation and limiting residual solvents through advanced vacuum distillation and filtration.

    From day one, our QC team avoids shortcuts in analysis. Melting point checks, thin-layer chromatography, high-performance liquid chromatography, and nuclear magnetic resonance spectroscopy all find a role. Some competitors skip one or two of these, hoping that downstream customers won’t notice. We’ve learned the hard way that process reproducibility and robustness start with attention to detail in manufacturing. If a lot falls short of our standards, it doesn’t leave the plant. Customers who have tried inconsistent or off-spec supplies often return after seeing how much difference reliability brings to their own yields and processing times.

    Safety and Handling in Our Operations

    Safety culture never plays second fiddle here. Real chemical plants never gloss over this aspect, and we’ve made improvements at several stages. The intermediate creates little risk in handling when precautions are observed, but exposure to chlorinated aromatic compounds always demands careful engineering controls and personal protection. Our production bays run closed charging and extraction systems, frequently inspected, with routine ventilation checks and solvent recovery equipment. Staff wear full PPE during weighing, filling, and cleaning, and we provide clear, evidence-driven procedures for safe storage.

    Each time a drum gets filled here, it’s not just stamped and rolled out the door. The team labels and logs all hazard information, transport requirements, and batch traceability in live documentation. We’re used to audits by independent third parties who review handling, waste, and emissions at our site, and our incident rate sits well below sector averages.

    Sustainability and Waste Reduction

    No chemical manufacturer today ignores sustainability. In our own operations, most raw material choices for synthesizing 6-Chloro-2,4-Dimethoxypyrimidine put waste control and resource management front and center. Solvent recycling and effluent minimization both matter to the bottom line and to neighbors near our site. We invest in closed-loop solvent systems and high-rate scrubbers that limit chlorine emissions. Our staff tracks emerging scientific literature to support process enhancements that decrease energy use and secondary waste at every opportunity.

    Customer audits have pushed us to integrate mass balance tracking with upstream suppliers, cutting back on hazardous shipments and excessive packaging. We hold regular training for everyone working in production and logistics, focusing on small changes that add up—things like optimizing charge order, lengthening filter runs, or planning batch sizes in response to seasonal shifts in demand. These tweaks help us reduce our footprint without undermining throughput or quality, and customer feedback often drives new improvements.

    Supporting Technical Teams: Collaboration Over Transaction

    Working directly with technical teams at pharmaceutical and agricultural companies shapes the way we think about product support. We answer inquiries not by sending generic material safety information, but by digging into actual process concerns seen in kilo lab or pilot scale-up work. Customers frequently share data on side product formation rates, yield anomalies, or material feed difficulties. Our R&D staff teams with their process counterparts to interpret that feedback, troubleshoot root causes, and sometimes adjust our product parameters or support documentation.

    Many users appreciate technical transparency in troubleshooting unexpected crystallization problems, unexpected reactivity, or analytical discrepancies. We invite remote audits or on-site sampling sessions, walking through not only batch records but also the reactivity data and impurity breakdowns collected during our process qualification cycles. When a customer launches a new project using our molecule, we can often provide tailored reference chromatography that helps them streamline validation and regulatory submissions.

    Continuous Improvement: Driving Quality Forward

    For us, the world of 6-Chloro-2,4-Dimethoxypyrimidine is never static. New advances in chemical engineering and analytical chemistry create opportunities to further refine and optimize our process. Staff engage in regular cross-functional meetings to review the outcome of each finished batch, including unexpected results and best practices drawn from the shop floor. This dialog between workers on the ground and senior chemists means that even minor advances, such as improved in-line purification or solvent reduction strategies, get recognized and adopted quickly.

    Unlike commodity chemicals where swap-outs are routine, 6-Chloro-2,4-Dimethoxypyrimidine occupies a niche where both the details and the overall track record count toward a reliable partnership. We don’t just monitor outcomes at the end of the line; we open the process up to scrutiny and invite suggestions from those who know their own reactors best. Recent attention has focused on process intensification, scaling innovations, and the growing role of computer-aided reaction optimization. Looking ahead, these will shape both process safety and economics, but the key always remains: build quality into every step, not as an afterthought, but by design.

    Serving the Industry with Experience-Based Integrity

    Long experience with this fine chemical has taught us that the value chain relies on trust built batch by batch, drum by drum. No automated monitoring system or paperwork trail replaces the judgment and pride that real manufacturing teams bring to their work. Connecting directly with the end users—those troubleshooting in process R&D labs, scaling up in pilot plants, or preparing dossiers for regulatory bodies—puts us in a better position to deliver not just a chemical, but better outcomes and smoother supply chains.

    Over the years, we have seen incremental advances in analytical methods in the hands of customers, creating both tougher benchmarks for us and tighter collaboration opportunities. A chemist from a client’s site once commented that our technical support felt like an extension of their team—enough to spot potential pitfalls and, often, offer practical workarounds. Knowing the ins and outs of 6-Chloro-2,4-Dimethoxypyrimidine makes that possible—not through rigid adherence to old habits, but by staying curious, maintaining high standards, and being willing to learn from each run we pull off the line.

    Guiding Principles for Reliable Supply

    Every production window for 6-Chloro-2,4-Dimethoxypyrimidine brings its own set of variables: raw material quality, batch size changes, environmental conditions, evolving customer demands. We treat reliability not as a one-and-done achievement but as a constant target. Each incoming material gets inspected above and beyond standard certificates, and each finished batch is checked not just for stated metrics but for the subtle markers only experienced hands notice—a slight hue, a sharper melting point boundary, a cleaner post-filtration product.

    We document every deviation, no matter how minor, to inform continuous improvement. Plant operators and QC scientists are encouraged to share lessons across teams, using a culture of openness that helps prevent future issues from slipping through. In the event a customer reports something unexpected—an off-odor, an errant peak in NMR, or a filtration anomaly—we prioritize root cause analysis, sharing updates along the way and keeping their teams in the loop until the issue resolves.

    Every order tells a story, and our role as manufacturer goes beyond simply supplying a product. We share our data, supply run histories, and lessons learned from troubleshooting so our partners make better decisions and reach project milestones on time. Our customers know our names, understand our approach, and trust us to respond promptly and honestly, whether the question is routine or high-stakes.

    Differences That Make a Difference

    Our focus on 6-Chloro-2,4-Dimethoxypyrimidine, from upstream synthetic route selection to downstream technical support, distinguishes us in a crowded market. Customers have explained how seemingly small differences—particle size uniformity, trace moisture levels, packaging practices—impact their processing flow and product performance. While some manufacturers focus on a quick sale, our focus lands on building understanding, sharing know-how, and responding quickly and transparently whenever a customer faces a hurdle.

    Some companies advertise this molecule as a straightforward, tabled commodity, but our direct manufacturing experience shows that repeated success rests on details and experience. Each improvement to our process connects directly to real-world needs and informed, two-way communication with our client base. Every kilogram reflects our commitment not just to quality, but to collaboration and the practical realities of fine chemical manufacture.